Research Publications

(Undergraduate authors indicated by*)

The Effect of UVA Fluence Rate on Indicators of Oxidative Stress in Human Dermal Fibroblasts. Hoerter, James D., Christopher S. Ward*, Kyle D. Bale*, Admasu N. Gizachew*, Rachelle Graham*, Jaclyn Reynolds*, Melanie E. Ward*, Chesca Choi*, Jean-Leonard Kagabo*, Michael Sauer*, Tara Kuipers*, Timothy Hotchkiss*, Nate Banner*, Renee A. Chellson*, Theresa Ohaeri*, Langston Gant, Leah Vanderhill. International Journal of Biological Sciences 4:63-70. 2008.

Effects of Sublethal UVA Irradiation on Activity Levels of Oxidative Defense Enzymes and Protein Oxidation in Escherichia coli. James D. Hoerter^*, Alan A. Arnold, Dorota Kuczynska, Akemi Shibuya, Christopher S. Ward, Michael G. Sauer, Admasu Gizachew, Timothy M. Hotchkiss, Todd Fleming and Steve Johnson.     Journal of Photochemistry and Photobiology B: Biology. 81:171-180.  2005

Altered Hydroperoxidase (HPI and HPII) Activities in the Δfur (Ferric Uptake Regulator) Mutant Contribute to Increased Sensitivity to UVA Irradiation in Escherichia coli.  James D. Hoerter, Alan A. Arnold*, Christopher Ward*, Michael Sauer*, Steve Johnson*, Todd Fleming* and Abraham Eisenstark.   Journal of Photochemistry and Photobiology B: Biology. 79: 151-157.  2005.

The rpoS Gene of Erwinia carotovora:  Gene Organization and Functional Expression in E. coli. M. J. Calcutt, M.B. Becker-Hapak, M. Gaut*, J. Hoerter, and A. Eisenstark. FEMS Microbiology Letters. 159: 275-281. 1998

RpoS Dependent Overexpression of Carotenoids from Erwinia herbicola in OXYR Deficient Escherichia coli.. M. Becker-Hapak, E. Troxtel*, J. Hoerter, and A. Eisenstark.  Biochemical and Biochemical Research Communications.  239: 305-309.  1997.

Role of Enterobactin and Intracellular Iron in Cell Lethality During Near-UV Irradiation in Escherichia coli. J. Hoerter, A. Pierce*, C. Troupe, J. Epperson*, and A. Eisenstark.  Photochemistry and Photobiology. 64: 537-541, 1996.

Patterns of Protein Synthesis in a Growth Delay Mutant (nuv) of Escherichia coli After Treatment by Near-Ultraviolet Radiation of Hydrogen Peroxide. J. Hoerter and A. Eisenstark. Journal of Photobiochemistry and Photobiology, B:  Biology, 6:283-289. 1990.

Mutations by Near-Ultraviolet Radiation in Escherichia coli Strains Lacking Superoxide Dismutase. J. Hoerter and A. Eisenstark. Mutation Research, 215:  161-165. 1989.

Synergistic Killing of Bacteria and Phage by Polystyrene and Ultraviolet Radiation. J. Hoerter and A. Eisenstark. Environmental and Molecular Mutagenesis.  12:261-264. 1988.

Dosage Effects of the White (d) and Melanoid (m) Genes on Pigment Pattern in the Mexican Axolotl, Ambystoma mexicanum.  James D. Hoerter.  Journal of Developmental Biology.  59:249-254, 1977.

Patterns of Purine Synthesis Related to Iridophore Development in the Wild Type, Melanoid and Axanthic Strains of the Mexican Axolotl, Ambystoma mexicanum.  J. Hoerter and H. Clark Dalton.  Journal of Developmental Biology.  36:245-251, 1974.

Educational Publications

A laboratory Intensive Program in Biotechnology.  James D. Hoerter.  Council on Undergraduate Research Quarterly.  March, 1996.

Procedure for Preparing a Human Karyotype for the Undergraduate Laboratory.  James D. Hoerter and Terri Bean*.  Midwest Bioscene.  13:6-10, 1987.

Research Internships: A Case Study.  James D. Hoerter.  Quarterly Journal of the Tri Beta Biological Society.  53:210-212, 1982.

Research Internships:  Students as Participants in Science.  James D. Hoerter.  American Biology Teacher.  42:51-52, 1980.

Stephens College Research Internship Program.  James D. Hoerter.  Bulletin of the Missouri Academy of Science.  101: 3-5, 1977.

Research Papers Presented

Last ten years

Undergraduate authors indicated by *

Total 51

Effects of Sublethal (7.4 W/m2) UVA Irradiation on Activity Levels of Oxidative Defense Enzymes (Catalases, Superoxide Dismutases, Glutathione Reductase) and on Protein Oxidation and Survival after Lethal UVA in Escherichia coli.  James D. Hoerter, Alan A. Arnold^*, Dorota Kuczynska^*, Akemi Shibuya^*, Christopher S. Ward_*, Michael G. Sauer^*, Admasu Gizachew^*, Timothy M. Hotchkiss^*, Todd Fleming^* and Steve Johnson^*.  Presented at the 11th Congress of the European Society of Photobiology, Aix-les-Bains, France, September 3-8, 2005.

NUV Irradiation Increases Superoxide Dismutase and Catalase in Escherichia coli.  Christopher Ward, Alan Arnold, Michael Sauer, Steve Johnson (James D. Hoerter, Research Sponsor).  Ferris State University Honors Symposium, April 28, 2005. 

NUV Irradiation (290-400 nm) Increases Protein Oxidation in Escherichia coli. Alan Arnold*, Akemi Shibuya*, Dorota Kuczynska* and James D. Hoerter.  18^th National Conference on Undergraduate Research, Indiana University-Purdue University, Indianapolis, IN.  April, 2004.

UVA Irradiation (320-400 nm) Increases Superoxide Dismutase and Catalase Activity in E. coli.  Christopher Ward*, Alan Arnold*, Michael Sauer*, Steve Johnson* and James D. Hoerter.  18^th National Conference on Undergraduate Research, Indiana University-Purdue University, Indianapolis, IN.  April, 2004.

Fur-dependent Transcriptional Regulation of Stationary-Phase Sigma Factor (RpoS) in Escherichia coli.  James D. Hoerter, Alan Arnold*, Christopher Ward*, Michael Sauer*, Steve Johnson*, Todd Fleming*, Anna Glinskii, and Abraham Eisenstark.  31^st Annual Meeting of the American Society for Photobiology, Baltimore, Md.  July, 2003.

Regulation of Catalase by Ferric Uptake Regulon (fur).  Alan A. Arnold* and James D. Hoerter.  17^Th National Conference of Undergraduate Research, University of Utah, Salt Lake City, 2003.

Research Link 2000-Foundation for Undergraduate Research Programs.  James D. Hoerter.  American Society of Biochemistry and Molecular Biology.  1999.

Induction of rpoS and its Regulated Genes by Near-Ultraviolet Radiation in Escherichia coli. M. Doty* and J. Hoerter. Council on Undergraduate Research Capitol Hill Poster Session, 1998. 

Induction of rpoS and its Regulated Genes by Near-Ultraviolet Radiation in Escherichia coli.  M. Doty* and J. Hoerter.  12^th National Conference on Undergraduate Research, Salisbury State University, 1998.

The Role of Intracellular Iron on the Sensitivity of E. coli to Near-Ultraviolet Radiation.  S. Bailey*, G. Hooper*, C. Troupe, and J. Hoerter.  47^th International Science and Engineering Research Symposium, Tucson, Arizona. 1996.

The Effect of Near-Ultraviolet-B Radiation on Mutagenesis and DNA Repair Mechanisms.  A. Lovgren* and B. Orange*. 6^th Annual Sakhorov’s Readings, St. Petersburg, Russia, and the National Student Research Symposium, St. Louis, Missouri.  1996.

Induction of Heat Shock Response Confers Resistance to Near-Ultraviolet Radiation (290-400 nm) in Escherichia coli. A. MacTaggert* and J. Hoerter.  10^th National Conference on Undergraduate Research, University of North Carolina.  1996.

Construction of a Model for Assessing the Biological Effects of Increased Near-Ultraviolet Radiation-B (320-400 nm) Resulting from Ozone Depletion.  J. Hoerter, C. Troupe, B. Orange* and A. Lovgren*.  Undergraduate Research Symposium, Washington University, 1995.

Enterobactin is a Chromophore for Near-Ultraviolet Radiation in Escherichia coli.  J. Hoerter, A. Eisenstark, and A. Pierce*.  Michigan Academy of Science. 1995. 

The Effect of NUV-B (290-320nm) Radiation on Survival of Bacteria and Viruses – A model for Predicting the Potential Hazard of Increased Ozone Depletion.  A. Lovgren*, B. Orange*, C. Troupe, and J. Hoerter.  Michigan Academy of Science, 1995.

Regulation of Erwinia herbicola Carotenoid Synthesis by Katf (Sigma 38) in Escherichia coi.  M. Becker-Hapak, M. Gaut*, E. Troxtel*, J. Hoerter and A. Eisenstark.  National Conference on Undergraduate Research, Union College, 1995.